MATVIICHUK, Andrii; Ryzhenko Іgor. CONSTITUTIONAL AND LEGAL PRINCIPLES SOCIAL ASSISTANCE ORGANIZATION: POLISH EXPERIENCE FOR UKRAINE. Scientific works of Kyiv Aviation Institute. Series Law Journal "Air and Space Law", [S. l.], v. 1, n. 62, p. 69–75, 2022. DOI: 10.18372/2307-9061.62.16484. Disponível em: https://jrnl.kai.edu.ua/index.php/UV/article/view/16484. Acesso em: 19 oct. 2026.